“The 31-year-old Hamilton man is believed to have been staying at the Raglan Holiday Park since September 23, with the intention of going fishing,” the statement said.
“He was last in contact with family on Tuesday, 24 September and Police and his family are concerned.”
The statement said Berwick has “good knowledge of the Raglan area and fishes from the wharf at the end of Wallis Street, Raglan mouth, Ngaranui, Wainui, Manu Bay, and Ruapuke rocks”.
Anyone who has seen Berwick or has any information not yet reported to should contact police online now or call 105 using the reference number 240927/5606.
Information can also be provided anonymously via Crime Stoppers on 0800 555 111.
Maryana Garcia is a Hamilton-based reporter covering breaking news in Waikato. She previously wrote for the Rotorua Daily Post and Bay of Plenty Times.